Iron-saltwater flow battery company ESS Inc looks set to deploy by far its largest project to-date, a 50MW/500MWh system at a renewables hub from German energy firm LEAG, with potential for more.

Julia Souder, CEO of the Long Duration Energy Storage Council, explores energy storage as the cornerstone of power grids of the future.

Energy-Storage.news caught up with Energy Vault CEO Robert Piconi to primarily discuss its gravity-based energy storage solution which, putting it mildly, has its fair share of sceptics.

California governor Gavin Newsom has outlined how the state will reach 100% decarbonisation by 2045, in a policy update which put energy storage front-and-centre in enabling 24/7 clean power.

A large-scale pumped hydro energy storage project in Washington State has passed a key stage of approvals, while another in South Dakota has been dropped.

A tender will open in a few days’ time under NSW’s electricity system roadmap through which 550MW of long-duration storage could be procured.

Geothermal-based energy storage company EarthBridge Energy has secured land rights to deploy its technology in Texas.

Utility Xcel Energy has received a US$20 million grant commitment from VC firm Breakthrough Energy for projects using Form Energy’s iron-air battery, while a sodium ion battery firm has secured bridge financing.

The UK Department for Energy Security and Net Zero (DESNZ) is providing £30 million (US$37.5 million) in grants for long-duration energy storage (LDES) projects from Synchrostor, Invinity Energy Systems and Cheesecake Energy.

NextEra’s eight-hour energy storage project in California will use lithium-ion technology, but ‘battery chemistry did not play a major role in project evaluation’, offtaker Clean Power Alliance told Energy-Storage.news.